What is the average mileage (mpg) of 6 cylinder, manual transmission cars in the R built-in dataset "mtcars"?
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Explanation:
Load the dataset mtcars. This dataset is built- in to R. To access it, we need to tell R we want it. Here is how to do ... tapply(mpg,cyl,mean) 4 6 8 26.66364 19.74286 15.10000 .
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Answer:
20.56667 is the answer.........
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